<template>
  <div class="login-container">
    <div class="title-container">
      <h3 class="title">{{ $t('login.title') }}</h3>
      <!-- <lang-select class="set-language" /> -->
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="login-box-head">用户登录</div>
      <div class="login-form-inner">
        <el-form-item prop="username" class="form-border">
          <span class="svg-container">
            <svg-icon icon-class="user"/>
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            :placeholder="$t('login.username')"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-tooltip v-model="capsTooltip" content="大写锁定已开启" placement="right" manual>
          <el-form-item prop="password" class="form-border">
            <span class="svg-container">
              <svg-icon icon-class="password"/>
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="password"
              :type="passwordType"
              :placeholder="$t('login.password')"
              name="password"
              tabindex="2"
              auto-complete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
            </span>
          </el-form-item>
        </el-tooltip>

        <!--<el-form-item prop="rememberMe">
          <el-checkbox v-model="loginForm.rememberMe">记住我</el-checkbox>
        </el-form-item>-->

        <el-button :loading="loading" type="primary" round @click.native.prevent="handleLogin">{{ $t('login.logIn') }}
        </el-button>

        <!-- <div style="position:relative">
          <div class="tips">
            <span>{{ $t('login.username') }} : admin</span>
            <span>{{ $t('login.password') }} : 123qwe</span>
          </div>
          <div class="tips">
            <span style="margin-right:18px;">{{ $t('login.username') }} : editor</span>
            <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
          </div>

          <el-button
            class="thirdparty-button"
            type="primary"
            @click="showDialog=true"
          >{{ $t('login.thirdparty') }}</el-button>
        </div> -->
      </div>
    </el-form>
    <div class="declear">版权所有：青岛安信化学品安全信息科技有限公司</div>
    <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
      {{ $t('login.thirdpartyTips') }}
      <br/>
      <br/>
      <br/>
      <social-sign/>
    </el-dialog>
  </div>
</template>

<script>
  import { validUsername } from "@/utils/validate";
  import SocialSign from "./components/SocialSignin";

  export default {
    name: "Login",
    components: { SocialSign },
    data() {
      const validateUsername = (rule, value, callback) => {
        if (!validUsername(value)) {
          callback(new Error("请输入正确的账号"));
        } else {
          callback();
        }
      };
      const validatePassword = (rule, value, callback) => {
        if (value.length < 6) {
          callback(new Error("The password can not be less than 6 digits"));
        } else {
          callback();
        }
      };
      return {
        password: "",
        loginForm: {
          username: "",
          password: "",
          rememberMe: false
        },
        loginRules: {
          username: [{ required: true, trigger: "blur", validator: validateUsername }],
          password: [{ required: true, trigger: "blur", validator: validatePassword }],
          rememberMe: [{ required: true }]
        },
        passwordType: "password",
        capsTooltip: false,
        loading: false,
        showDialog: false,
        redirect: undefined
      };
    },
    watch: {
      password: function(newVal) {
        this.loginForm.password = this.$getRsaCode(newVal);
      },
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true
      }
    },
    created() {
      // window.addEventListener('storage', this.afterQRScan)
    },
    mounted() {
      if (this.loginForm.username === "") {
        this.$refs.username.focus();
      } else if (this.loginForm.password === "") {
        this.$refs.password.focus();
      }
    },
    destroyed() {
      // window.removeEventListener('storage', this.afterQRScan)
    },
    methods: {
      checkCapslock({ shiftKey, key } = {}) {
        if (key && key.length === 1) {
          if ((shiftKey && (key >= "a" && key <= "z")) || (!shiftKey && (key >= "A" && key <= "Z"))) {
            this.capsTooltip = true;
          } else {
            this.capsTooltip = false;
          }
        }
        if (key === "CapsLock" && this.capsTooltip === true) {
          this.capsTooltip = false;
        }
      },
      showPwd() {
        if (this.passwordType === "password") {
          this.passwordType = "";
        } else {
          this.passwordType = "password";
        }
        this.$nextTick(() => {
          this.$refs.password.focus();
        });
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true;
            this.$store
              .dispatch("account/login", this.loginForm)
              .then(() => {
                location.href = "/dashboard";
                // this.$router.push({ path: this.redirect || "/" });
                this.loading = false;
              })
              .catch(() => {
                this.loading = false;
              });
          } else {
            console.log("error submit!!");
            return false;
          }
        });
      }
      // afterQRScan() {
      //   if (e.key === 'x-admin-oauth-code') {
      //     const code = getQueryObject(e.newValue)
      //     const codeMap = {
      //       wechat: 'code',
      //       tencent: 'code'
      //     }
      //     const type = codeMap[this.auth_type]
      //     const codeName = code[type]
      //     if (codeName) {
      //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
      //         this.$router.push({ path: this.redirect || '/' })
      //       })
      //     } else {
      //       alert('第三方登录失败')
      //     }
      //   }
      // }
    }
  };
</script>

<style lang="scss">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg: #e8e9e8;
  $light_gray: #333;
  $cursor: #333;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
    }

    .el-form-item {
      border-radius: 5px;
      color: #454545;
    }

    .form-border {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
    }

    .el-button {
      width: 100%;
      margin-bottom: 80px;
      font-size: 18px;
      background: linear-gradient(90deg,#051d48,#0a50a7);
    }
  }
</style>

<style lang="scss" scoped>
  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    background: #0f2657 url(../../assets/login-bg.png) no-repeat 50%;
    overflow: hidden;

    .login-form {
      width: 341px;
      height: 357px;
      position: absolute;
      left: 50%;
      top: 50%;
      margin-left: -171px;
      margin-top: -220px;
      background: #fff;
      border-radius: 6px;
    }

    .login-form-inner {
      padding: 20px 30px;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

    .title-container {
      position: absolute;
      transform: translate(-50%, -50%);
      white-space: nowrap;
      top: 16%;
      left: 50%;

      .title {
        color: transparent;
        font-size: 46.2px;
        background: linear-gradient(180deg, #fff, #55a2ff);
        -webkit-background-clip: text;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }

      .set-language {
        color: #fff;
        position: absolute;
        top: 3px;
        font-size: 18px;
        right: 0px;
        cursor: pointer;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }

    .thirdparty-button {
      position: absolute;
      right: 0;
      bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
      .thirdparty-button {
        display: none;
      }
    }
  }

  .login-box-head {
    display: block;
    text-align: center;
    line-height: 50px;
    font-size: 24.2px;
    background: #004d9c;
    color: #fff;
    font-weight: 700;
  }

  .declear {
    position: absolute;
    left: 50%;
    bottom: 10%;
    transform: translate(-50%, -50%);
    text-align: center;
    font-size: 14px;
    color: $dark_gray;
  }
</style>
